Enkephalin analogues eliciting analgesia after intravenous injection

Analgesia induced in vivo by central administration of enkephalin in rat

1976 • 524 citations

[D-Ala ² ]-Met-Enkephalinamide: A Potent, Long-Lasting Synthetic Pentapeptide Analgesic

1976 • 466 citations

Evidence for analgesic activity of enkephalin in the mouse

1976 • 252 citations

An Analog of Enkephalin Having Prolonged Opiate-Like Effects in Vivo

1977 • 159 citations

A superactive antinociceptive pentapeptide, (D‐Met²,Pro⁵)‐enkephalinamide

1977 • 157 citations

Peptides readily penetrate the blood-brain barrier: Uptake of peptides by synaptosomes is passive

1976 • 52 citations